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Interactive Multiobjective Optimization for the Hot Rolling Process
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
ABB, Sweden. (Corporate Research)
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-3498-3204
ABB, Sweden. (Corporate Research)
2012 (English)In: Proceedings of 51st IEEE Conference on Decision and Control, 2012, 7030-7036 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, multi-objective optimization is applied to the hot rolling process. It is modeled mostly using first principle models considering, for instance, the mass balance (or mass flow rate), the tensions in the material, the power requirements, the thermal field, and the microstructure of the material.

Two optimization formulations are considered. In the first case, both the grain size and the power consumption in the rolling process are minimized. It is shown that the result from a single-objective optimization formulation, i.e., where only one of the two objectives are considered, yields control schedules with poor performance for the other objective. Furthermore, the differences between optimal control schedules for different objectives are compared and analyzed. The second case is a design optimization problem where the optimal positioning of cooling pipes is considered. This study shows how the MOO framework can be used to systematically choose a good cooling pipe setup. 

The two studies shows that MOO can be a helpful tool when designing and running hot rolling processes. Furthermore, navigation among the Pareto optimal solutions is very useful when the user wants to learn how the control variables interact with the process.

Place, publisher, year, edition, pages
2012. 7030-7036 p.
Keyword [en]
Interaction, Optimization, Hot rolling process
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-88914DOI: 10.1109/CDC.2012.6426292ISBN: 978-1-4673-2064-1 (print)ISBN: 978-1-4673-2065-8 (print)OAI: oai:DiVA.org:liu-88914DiVA: diva2:606277
Conference
51st IEEE Conference on Decision and Control, Maui, HI, USA, 10-13 December, 2012
Available from: 2013-02-18 Created: 2013-02-18 Last updated: 2016-02-05

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Sjöberg, JohanLinder, Jonas

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
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